What is a Solar System?
A solar system comprises of a star and all the celestial bodies that travel around it - planets, moons, asteroids, comets. Some solar systems may even have two stars.What is a Star?
A star is an immense glowing ball of extremely hot gases, mainly hydrogen and helium, where nuclear fusion releases a tremendous amount of energy. A few nearby stars are Sun, Proxima Centauri, Sirius, Polaris.What is a Planet?
A planet is a large rocky or gaseous body that is spherical in shape and orbits a star. In our solar system, mercury, venus, earth, mars, jupiter, saturn, uranus and neptune are planets. With advanced telescopes, scientists are detecting planets around most stars.What is a Comet?
A comet is a ball of frozen gases, rock and dust that is about the size of a small town. It goes around the sun in a highly elliptical orbit. Jets of gas and dust from its surface form a long tail behind it.Build Your Solar System Grades 6th - 12th |
No comments:
Write komentar